1224263131 has 16 divisors (see below), whose sum is σ = 1520132544. Its totient is φ = 960067584.

The previous prime is 1224263063. The next prime is 1224263147. The reversal of 1224263131 is 1313624221.

It is not a de Polignac number, because 1224263131 - 2¹³ = 1224254939 is a prime.

It is a super-2 number, since 2×1224263131² = 2997640427851846322, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1224263096 and 1224263105.

It is not an unprimeable number, because it can be changed into a prime (1224263231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 49246 + ... + 69811.

It is an arithmetic number, because the mean of its divisors is an integer number (95008284).

Almost surely, 2^1224263131 is an apocalyptic number.

1224263131 is a deficient number, since it is larger than the sum of its proper divisors (295869413).

1224263131 is a wasteful number, since it uses less digits than its factorization.

1224263131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119190.

The product of its digits is 1728, while the sum is 25.

The square root of 1224263131 is about 34989.4717165035. The cubic root of 1224263131 is about 1069.7728958721.

Adding to 1224263131 its reverse (1313624221), we get a palindrome (2537887352).

The spelling of 1224263131 in words is "one billion, two hundred twenty-four million, two hundred sixty-three thousand, one hundred thirty-one".